154=-7(2+6r)

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Solution for 154=-7(2+6r) equation:


Simplifying
154 = -7(2 + 6r)
154 = (2 * -7 + 6r * -7)
154 = (-14 + -42r)

Solving
154 = -14 + -42r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '42r' to each side of the equation.
154 + 42r = -14 + -42r + 42r

Combine like terms: -42r + 42r = 0
154 + 42r = -14 + 0
154 + 42r = -14

Add '-154' to each side of the equation.
154 + -154 + 42r = -14 + -154

Combine like terms: 154 + -154 = 0
0 + 42r = -14 + -154
42r = -14 + -154

Combine like terms: -14 + -154 = -168
42r = -168

Divide each side by '42'.
r = -4

Simplifying
r = -4

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